The purpose of this study is to evaluate the reliability and validity of smart-phone based system in postural control ability assessment on subjects with chronic ankle instability.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
physiological parameter: acceleration data from built-in sensor with unit: m/s^2
Timeframe: 40 seconds
physiological parameter: orientation data from built-in sensor with unit: degree
Timeframe: 40 seconds